The Vygruppen rail network in Norway centers on Oslo S and covers central, eastern, and western parts of the national rail system. The Bergensbanen runs between Oslo and Bergen via Geilo, Finse, Myrdal, and Voss. The Dovrebanen links Oslo with Lillehammer, Dombas, Oppdal, and Trondheim. The Ostfoldbanen runs from Oslo toward Halden, while the Gjovikbanen connects Oslo with Gjovik. Vygruppen also operates many regional and commuter services around Oslo, including corridors to Drammen, Eidsvoll, Larvik, Skien, and Lillehammer. Major hub stations include Oslo S, Drammen, Bergen, Lillehammer, Trondheim, and Myrdal. Train categories vary by line and include long-distance, regional, commuter, and night services on selected routes.